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Finding the Fourth Proportional to 73,015.10, 100,702.50 and 50,348.88

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Solution

The fourth proportional to 73,015.10, 100,702.50 and 50,348.88 is: 69,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,015.10 : 100,702.50 = 50,348.88 : x
  2. Step 2: Convert to fraction form
    73,015.10/100,702.50 = 50,348.88/x
  3. Step 3: Cross multiply
    73,015.10x = 100,702.50 × 50,348.88
  4. Step 4: Simplify right side
    73,015.10x = 5,070,258,088.20
  5. Step 5: Solve for x
    x = 5,070,258,088.20/73,015.10
  6. Step 6: Final answer
    x = 69,441.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.